Tuesday 2 June 2020

RAC - Relocate RAC service from Available to Preferred Instance Example

Scenario Preview:

We have created service PRETAF on 2 node RAC. Now at present service is running on available instance which is RAC2 . We want service  to be available on preferred instance which is (RAC1)  
Command to relocate service back to preferred instance.

OUTPUT:

srv1:~ # ps -ef |grep pmon
grid      3113     1  0 13:20 ?        00:00:00 asm_pmon_+ASM1
grid      9429     1  0 13:23 ?        00:00:00 mdb_pmon_-MGMTDB
oracle   17409     1  0 13:26 ?        00:00:00 ora_pmon_RAC1
root     23087  2892  0 13:41 pts/0    00:00:00 grep --color=auto pmon
srv1:~ # . oranev
-bash: oranev: No such file or directory
srv1:~ # . oraenv
ORACLE_SID = [root] ? +ASM1
The Oracle base has been set to /u01/app/grid


  • Cluster service check, We can see below PRETAF service is running on srv2
srv1:~ # crsctl status resource -t
--------------------------------------------------------------------------------
Name           Target  State        Server                   State details
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.CRS.dg
               ONLINE  ONLINE       srv1                     STABLE
               ONLINE  ONLINE       srv2                     STABLE
ora.DATA.dg
               ONLINE  ONLINE       srv1                     STABLE
               ONLINE  ONLINE       srv2                     STABLE
ora.FRA.dg
               ONLINE  ONLINE       srv1                     STABLE
               ONLINE  ONLINE       srv2                     STABLE
ora.LISTENER.lsnr
               ONLINE  ONLINE       srv1                     STABLE
               ONLINE  ONLINE       srv2                     STABLE
ora.asm
               ONLINE  ONLINE       srv1                     Started,STABLE
               ONLINE  ONLINE       srv2                     Started,STABLE
ora.net1.network
               ONLINE  ONLINE       srv1                     STABLE
               ONLINE  ONLINE       srv2                     STABLE
ora.ons
               ONLINE  ONLINE       srv1                     STABLE
               ONLINE  ONLINE       srv2                     STABLE
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
      1        ONLINE  ONLINE       srv1                     STABLE
ora.LISTENER_SCAN2.lsnr
      1        ONLINE  ONLINE       srv2                     STABLE
ora.LISTENER_SCAN3.lsnr
      1        ONLINE  ONLINE       srv2                     STABLE
ora.MGMTLSNR
      1        ONLINE  ONLINE       srv1                     169.254.52.81 192.16
                                                             8.10.1,STABLE
ora.cvu
      1        ONLINE  ONLINE       srv2                     STABLE
ora.mgmtdb
      1        ONLINE  ONLINE       srv1                     Open,STABLE
ora.oc4j
      1        ONLINE  ONLINE       srv2                     STABLE
ora.rac.db
      1        ONLINE  ONLINE       srv1                     Open,STABLE
      2        ONLINE  ONLINE       srv2                     Open,STABLE
ora.rac.pretaf.svc
      1        ONLINE  ONLINE       srv2                     STABLE
ora.rac.pretaf_preconnect.svc
      1        ONLINE  ONLINE       srv1                     STABLE
ora.scan1.vip
      1        ONLINE  ONLINE       srv1                     STABLE
ora.scan2.vip
      1        ONLINE  ONLINE       srv2                     STABLE
ora.scan3.vip
      1        ONLINE  ONLINE       srv2                     STABLE
ora.srv1.vip
      1        ONLINE  ONLINE       srv1                     STABLE
ora.srv2.vip
      1        ONLINE  ONLINE       srv2                     STABLE
--------------------------------------------------------------------------------


  • Pretaf service status 
srv1:~ # srvctl status service -s pretaf -db rac

Service pretaf is running on instance(s) RAC2

  • Config status of pretaf service 
srv1:~ # srvctl config service -s pretaf -db rac
Service name: pretaf
Server pool:
Cardinality: 1
Disconnect: false
Service role: PRIMARY
Management policy: AUTOMATIC
DTP transaction: false
AQ HA notifications: false
Global: false
Commit Outcome: false
Failover type:
Failover method:
TAF failover retries:
TAF failover delay:
Connection Load Balancing Goal: LONG
Runtime Load Balancing Goal: NONE
TAF policy specification: PRECONNECT
Edition:
Pluggable database name:
Maximum lag time: ANY
SQL Translation Profile:
Retention: 86400 seconds
Replay Initiation Time: 300 seconds
Session State Consistency:
GSM Flags: 0
Service is enabled
Preferred instances: RAC1
Available instances: RAC2

  • Relocate service back to RAC1 preferred instance.
srv1:~ # srvctl relocate service -db rac -service pretaf -oldinst RAC2 -newinst RAC1

  • status of pretaf service 
srv1:~ # srvctl status service -db rac -s pretaf
Service pretaf is running on instance(s) RAC1
  • Config status of pretaf service
srv1:~ # srvctl config service -s pretaf -db rac
Service name: pretaf
Server pool:
Cardinality: 1
Disconnect: false
Service role: PRIMARY
Management policy: AUTOMATIC
DTP transaction: false
AQ HA notifications: false
Global: false
Commit Outcome: false
Failover type:
Failover method:
TAF failover retries:
TAF failover delay:
Connection Load Balancing Goal: LONG
Runtime Load Balancing Goal: NONE
TAF policy specification: PRECONNECT
Edition:
Pluggable database name:
Maximum lag time: ANY
SQL Translation Profile:
Retention: 86400 seconds
Replay Initiation Time: 300 seconds
Session State Consistency:
GSM Flags: 0
Service is enabled
Preferred instances: RAC1
Available instances: RAC2
srv1:~ #

Example : 

srv1:~ # srvctl status service -s pretaf -d rac
Service pretaf is running on instance(s) rac1
srv1:~ # srvctl status service -s pretaf_preconnect -d rac
Service pretaf_preconnect is running on instance(s) rac2
srv1:~ # srvctl status database -d rac
Instance rac1 is running on node srv1
Instance rac2 is running on node srv2

srv1:~ # srvctl stop instance -i rac1 -d rac
PRCD-1315 : failed to stop instances for database rac
PRCR-1014 : Failed to stop resource 
PRCR-1065 : Failed to stop resource 
CRS-2529: Unable to act on '' because that would require stopping or relocating '', but the force option was not specified
srv1:~ #

srv2:~ # srvctl relocate service -db rac -service pretaf -oldinst rac2 -newinst rac1
srv2:~ # srvctl status service -s pretaf -d rac
Service pretaf is running on instance(s) rac1
srv2:~ # srvctl status service -s pretaf_preconnect -d rac
Service pretaf_preconnect is running on instance(s) rac2
srv2:~ #
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Friday 29 May 2020

Patch - Error OPATCHAUTO-72046:Wallet option is not provided | Wallet option is required during patching as non-root user.

Scenario:

We got error while applying patch.This is because is was using grid user instead root , for opatchauto run using root user , Just wanted to share. Error is below:

grid@srv2:/u01/app/12.1.0/grid/OPatch> ./opatchauto apply /u01/24412235 -oh /u01/app/12.1.0/grid

OPatchauto session is initiated at Fri May 29 16:34:33 2020
OPATCHAUTO-72046: Wallet option is not provided.
OPATCHAUTO-72046: Wallet option is required during patching as non-root user.
OPATCHAUTO-72046: Please provide a wallet option or execute as root user.

OPatchauto session completed at Fri May 29 16:34:36 2020
Time taken to complete the session 0 minute, 3 seconds

opatchauto bootstrapping failed with error code 255.
  • su root 
grid@srv2:/u01/app/12.1.0/grid/OPatch> su root
Password:
srv2:/u01/app/12.1.0/grid/OPatch # . oraenv
ORACLE_SID = [+ASM2] ?
The Oracle base remains unchanged with value /u01/app/grid
export ORACLE_HOME=/u01/app/12.1.0/grid/
export PATH=$ORACLE_HOME/OPatch:$PATH:$ORACLE_HOME/bin
export PATH=$ORACLE_HOME/perl/bin:$PATH
srv2:/u01/app/12.1.0/grid/OPatch # opatchauto apply /u02/24412235 -oh /u01/app/12.1.0/grid

OPatchauto session is initiated at Fri May 29 18:57:10 2020

System initialization log file is /u01/app/12.1.0/grid/cfgtoollogs/opatchautodb/systemconfig2020-05-29_06-57-24PM.log.

Session log file is /u01/app/12.1.0/grid/cfgtoollogs/opatchauto/opatchauto2020-05-29_06-58-20PM.log
The id for this session is NA51

Executing OPatch prereq operations to verify patch applicability on home /u01/app/12.1.0/grid
Patch applicability verified successfully on home /u01/app/12.1.0/grid


Bringing down CRS service on home /u01/app/12.1.0/grid

Prepatch operation log file location: /u01/app/12.1.0/grid/cfgtoollogs/crsconfig/crspatch_srv2_2020-05-29_06-59-02PM.log
CRS service brought down successfully on home /u01/app/12.1.0/grid


Start applying binary patch on home /u01/app/12.1.0/grid

Binary patch applied successfully on home /u01/app/12.1.0/grid


Starting CRS service on home /u01/app/12.1.0/grid
Postpatch operation log file location: /u01/app/12.1.0/grid/cfgtoollogs/crsconfig/crspatch_srv2_2020-05-29_07-12-57PM.log
CRS service started successfully on home /u01/app/12.1.0/grid

OPatchAuto successful.

--------------------------------Summary--------------------------------

Patching is completed successfully. Please find the summary as follows:

Host:srv2
CRS Home:/u01/app/12.1.0/grid
Version:12.1.0.2.0
Summary:

==Following patches were SUCCESSFULLY applied:

Patch: /u02/24412235/21436941
Log: /u01/app/12.1.0/grid/cfgtoollogs/opatchauto/core/opatch/opatch2020-05-29_19-01-32PM_1.log

Patch: /u02/24412235/23854735
Log: /u01/app/12.1.0/grid/cfgtoollogs/opatchauto/core/opatch/opatch2020-05-29_19-01-32PM_1.log

Patch: /u02/24412235/24006101
Log: /u01/app/12.1.0/grid/cfgtoollogs/opatchauto/core/opatch/opatch2020-05-29_19-01-32PM_1.log

Patch: /u02/24412235/24007012
Log: /u01/app/12.1.0/grid/cfgtoollogs/opatchauto/core/opatch/opatch2020-05-29_19-01-32PM_1.log



OPatchauto session completed at Fri May 29 19:17:57 2020
Time taken to complete the session 20 minutes, 49 seconds
srv2:/u01/app/12.1.0/grid/OPatch #

  • Check opatch using lsinventory |lspatches status command 
srv2:/u01/app/12.1.0/grid/OPatch # su grid

grid@srv2:/u01/app/12.1.0/grid/OPatch> ./opatch lsinventory
Oracle Interim Patch Installer version 12.2.0.1.17
Copyright (c) 2020, Oracle Corporation.  All rights reserved.


Oracle Home       : /u01/app/12.1.0/grid
Central Inventory : /u01/app/oraInventory
   from           : /u01/app/12.1.0/grid//oraInst.loc
OPatch version    : 12.2.0.1.17
OUI version       : 12.1.0.2.0
Log file location : /u01/app/12.1.0/grid/cfgtoollogs/opatch/opatch2020-05-29_19-41-10PM_1.log

Lsinventory Output file location : /u01/app/12.1.0/grid/cfgtoollogs/opatch/lsinv/lsinventory2020-05-29_19-41-10PM.txt

--------------------------------------------------------------------------------
Local Machine Information::
Hostname: srv2.example.com
ARU platform id: 226
ARU platform description:: Linux x86-64

Installed Top-level Products (1):

Oracle Grid Infrastructure 12c                                       12.1.0.2.0
There are 1 products installed in this Oracle Home.


Interim patches (4) :

Patch  24007012     : applied on Fri May 29 19:12:49 IST 2020
Unique Patch ID:  20511653
Patch description:  "ACFS Patch Set Update : 12.1.0.2.161018 (24007012)"
   Created on 30 Aug 2016, 00:17:17 hrs PST8PDT
   Bugs fixed:
     19060056, 21369858, 19355146, 19690653, 19526234, 20952520, 19475588
     21231953, 18510745, 19149476, 19013966, 22222222, 19859183, 21519796
     19469788, 21555038, 18877486, 20438706, 19610022, 19335268, 21058846
     22472364, 22319558, 19183802, 19452723, 21124596, 19051391, 20010980
     19526283, 22198405, 22689989, 19279106, 19078259, 19644505, 21077218
     21233961, 19184398, 18321597, 19811784, 18185024, 22174238, 20098064
     19353057, 19502657, 22661787, 19434261, 18951113, 20140148, 18900953
     19053182, 22975177, 18955907, 18934139, 19134464, 19450090, 19517835
     22241945, 20923224, 19446719, 20402287, 19201087, 21208140, 19649858
     21076821, 19428756, 19001684, 19610001, 18899600, 20314907, 19509898
     19528981, 18957085, 19127216, 23557970, 19901825, 22810422, 18915417
     19270227, 22087780, 22198176, 19919907, 19593769, 23112252, 19557156
     19195735, 23252830, 22846612, 20681968, 18851012, 19844362

Patch  24006101     : applied on Fri May 29 19:06:55 IST 2020
Unique Patch ID:  20683584
Patch description:  "Database Patch Set Update : 12.1.0.2.161018 (24006101)"
   Created on 1 Oct 2016, 12:33:50 hrs PST8PDT
Sub-patch  23054246; "Database Patch Set Update : 12.1.0.2.160719 (23054246)"
Sub-patch  22291127; "Database Patch Set Update : 12.1.0.2.160419 (22291127)"
Sub-patch  21948354; "Database Patch Set Update : 12.1.0.2.160119 (21948354)"
Sub-patch  21359755; "Database Patch Set Update : 12.1.0.2.5 (21359755)"
Sub-patch  20831110; "Database Patch Set Update : 12.1.0.2.4 (20831110)"
Sub-patch  20299023; "Database Patch Set Update : 12.1.0.2.3 (20299023)"
Sub-patch  19769480; "Database Patch Set Update : 12.1.0.2.2 (19769480)"
   Bugs fixed:
     19309466, 19902195, 18250893, 17655240, 19028800, 21266085, 19035573
     19366375, 18456643, 19289642, 18845653, 19915271, 21291274, 18417036
     20475845, 22528741, 22148226, 19243521, 19658708, 21153266, 19326908
     19597583, 17414008, 20897759, 19174430, 22046677, 22243719, 21960504
     19054077, 20688221, 22657942, 21899588, 20428621, 13542050, 21387964
     19723336, 19835133, 17532734, 19333670, 21373473, 23260854, 19687159
     14643995, 20977794, 19012119, 20734332, 19869255, 17551063, 18681056
     19676012, 20588502, 19520602, 19841800, 19439759, 20245930, 19303936
     19001359, 19393542, 22916353, 21099555, 22353346, 19141838, 19644859
     21915719, 21421886, 19908836, 19358317, 19134173, 19524158, 20447445
     21188584, 19335438, 19390567, 19058490, 18799993, 19769480, 21097043
     21225209, 19284031, 19450314, 19016730, 18967382, 20919320, 22075064
     20347562, 20348653, 22551446, 19896336, 20048359, 19524384, 16439813
     18354830, 20596234, 20440930, 20936905, 19171086, 17867700, 19791273
     18990023, 21241829, 19591608, 22296366, 20173897, 18914624, 19571367
     17210525, 21260431, 19501299, 20425790, 19124589, 19402853, 19888853
     16870214, 17722075, 18202441, 18743542, 19001390, 19081128, 22173980
     21875360, 19178851, 19149990, 20951038, 22168163, 19606174, 20848335
     19791377, 19050649, 19382851, 20920911, 20528052, 22762046, 19189525
     20598042, 18988834, 19176326, 19048007, 19238590, 20387265, 21263635
     20356733, 22160989, 22380919, 18499088, 18436647, 20825533, 18952989
     20794034, 19468347, 20284155, 19883092, 20657441, 17365043, 20952966
     19176223, 21300341, 18288842, 19699191, 22353199, 22083366, 20669434
     18964978, 19577410, 21373076, 14283239, 19931709, 21239530, 20880215
     20798891, 20043616, 18122373, 19013183, 18856999, 23124895, 21450666
     18893947, 19587324, 20464614, 22062026, 19189317, 21917884, 19708632
     20711718, 20134339, 22815955, 18973548, 22507210, 20101006, 19197175
     18797519, 19597439, 21387128, 19180770, 19879746, 19354335, 19730508
     21785691, 22366558, 6599380, 18964939, 22507234, 20124446, 20627866
     16923858, 19518079, 19371175, 20466322, 18940497, 19074147, 22923409
     17274537, 20842388, 19154375, 20474192, 19044962, 19532017, 19662635
     22374754, 20560611, 18899974, 20471920, 18705806, 19052488, 22024071
     20074391, 21184223, 19157754, 21220620, 18921743, 24316947, 19865345
     19065677, 19065556, 19018447, 19018206, 19777862, 19304354, 22223463
     21322887, 20879889, 20890311, 19578350, 20869721, 21756699, 20217801
     18819908, 19363645, 20898391, 19291380, 20373598, 19248799, 19155797
     19279273, 18886413, 18618122, 19990037, 20922010, 20509482, 18966843
     19077215, 21526048, 20704450, 19068970, 21620471, 19023822, 19670108
     19068610, 20267166, 21756677, 20476175, 18549238, 18674047, 20328248
     19385656, 18849537, 19684504, 20899461, 19308965, 19143550, 19024808
     18948177, 19468991, 20009833, 20868862, 20466628, 21756661, 20397490
     19706965, 22178855, 19604659, 16359751, 19032777, 19329654, 19928926
     20212067, 20603378, 20859910, 19307662, 21847223, 21668627, 20281121
     19075256, 20877664, 19487147, 19076343, 19430401, 24577566, 19676905
     20844426, 20904530, 20925795, 20441797, 21296029, 21629064, 21442094
     23229229, 20708701, 22865673, 19280225, 21315084, 18740837, 20294666
     19989009, 18191823, 21517440, 19174942, 17319928, 19703301, 20122715
     18411216, 20117253, 19258504, 21188532, 24386767, 17890099, 21649497
     16887946, 18791688, 19721304, 22092979, 19490948, 19619732, 20165574
     19272708, 19547370, 20139391, 20228093, 21281532, 19978542, 19409212
     19805359, 19461270, 19434529, 18799063, 18990693, 20378086, 21246723
     20831538, 21632821, 20424899, 20361671, 18674024, 19689979, 20235511
     19873610, 16619249, 21091431, 19440586, 22757364, 18610915, 22175564
     19561643, 19399918, 19195895, 20832516, 20017509, 20907061, 21665897
     20746251, 19183343, 21787056, 21273804, 19067244, 18043064, 21329301
     18885870, 19536415, 17835294, 20446883, 21744290, 20413820, 19185876
     22465352, 20558005, 20402832, 19627012, 20093776, 18909599, 20618595
     16863642, 19639483, 19315691, 20331945, 19512341, 19637186, 19174521
     21479753, 19022470, 18607546, 18306996, 18851894, 19649152, 20581111
     19201867, 20318889, 20898997, 19534363, 19188927

Patch  23854735     : applied on Fri May 29 19:04:00 IST 2020
Unique Patch ID:  20511532
Patch description:  "OCW Patch Set Update : 12.1.0.2.161018 (23854735)"
   Created on 29 Sep 2016, 23:50:00 hrs PST8PDT
   Bugs fixed:
     21339083, 18589889, 20768643, 19061429, 19133945, 19341538, 19521169
     20011424, 19361757, 19187207, 19302350, 19130141, 19530755, 19699720
     19620918, 19168690, 18899171, 19244316, 19653795, 18634372, 19471722
     19536337, 19184188, 19131709, 20160490, 20995001, 21131037, 19380733
     20985167, 18943696, 20552947, 19591984, 18135723, 18461246, 20014326
     19524857, 18890943, 19154753, 19499021, 19046190, 20923930, 20028666
     19051385, 19050688, 19682695, 19831611, 21607972, 18922918, 21087799
     18956780, 19683886, 23757020, 19026993, 20110156, 21269977, 18261648
     18362971, 19558324, 22651583, 20185476, 18882642, 19478119, 19414274
     17447588, 19262534, 20752167, 19147513, 22475834, 21242118, 19514085
     20758997, 19659885, 19319904, 18703978, 23079844, 19700256, 19703246
     20467806, 19192901, 21527118, 19479503, 19147751, 18901356, 21232394
     18964974, 22162062, 18835366, 19013789, 19207286, 18950232, 22583325
     19148791, 19556820, 16505171, 22261732, 22135419, 19449737, 21878613
     21646169, 19187515, 19230771, 20795241, 19453778, 19853036, 18843572
     18520351, 21430567, 19185148, 19232454, 21220597, 18541110, 18834955
     19204743, 20175174, 19140891, 18747335, 20676340, 19270660, 19325701
     20877003, 19222693, 19662663, 19684131, 19010177, 19272663, 18910576
     18907170, 19426384, 9372680, 20737462, 19700294, 20289828, 19331454
     22568500, 20278216, 20827053, 20119857, 19703199, 22456393, 20588164
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     22934855, 19649640, 19062675, 21924910, 18859710, 20862812, 19504641
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     18242738, 20649573, 18372060, 18953889, 18827679, 19140711, 19023430
     19259290, 19045388, 20186278, 19522571, 19709663, 18875012, 18861564
     19273760, 19225265, 15885689, 20853464, 21696068, 18819158, 21394146
     19049721, 19368917, 21255373, 22393909, 20408163, 20579351, 18868829
     20350915, 21327402, 22024217, 23101338, 19820247, 20363708, 19538241
     19804032

Patch  21436941     : applied on Fri May 29 19:01:42 IST 2020
Unique Patch ID:  19245012
Patch description:  "WLM Patch Set Update: 12.1.0.2.5 (21436941)"
   Created on 13 Aug 2015, 04:00:40 hrs PST8PDT
   Bugs fixed:
     20075154, 20641027, 20548410, 19016964, 19582630



--------------------------------------------------------------------------------

OPatch succeeded.
grid@srv2:/u01/app/12.1.0/grid/OPatch>

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Add disk on VM Virtualbox


Scenario:

  • We have to add disk in our linux OS machine, So we have added 10 GB in VM disk.

Output:

Create disk on vm with extension .vdi

screenshot Image below:

  • Check entry on disk by typing command fdisk -l, we have already added 10GB so we will make raw partiton on disk /dev/sde.
    srv2:~ # fdisk -l
    Disk /dev/sda: 70 GiB, 75161927680 bytes, 146800640 sectors
    Disk model: VBOX HARDDISK
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disklabel type: dos
    Disk identifier: 0x0002eccd

    Device     Boot   Start       End   Sectors Size Id Type
    /dev/sda1          2048   4208639   4206592   2G 82 Linux swap / Solaris
    /dev/sda2  *    4208640 136314879 132106240  63G 83 Linux


    Disk /dev/sdc: 12 GiB, 12884901888 bytes, 25165824 sectors
    Disk model: VBOX HARDDISK
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disklabel type: dos
    Disk identifier: 0x05e2106e

    Device     Boot Start      End  Sectors Size Id Type
    /dev/sdc1        2048 25165823 25163776  12G 83 Linux


    Disk /dev/sdd: 12 GiB, 12884901888 bytes, 25165824 sectors
    Disk model: VBOX HARDDISK
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disklabel type: dos
    Disk identifier: 0x4dab0ef3

    Device     Boot Start      End  Sectors Size Id Type
    /dev/sdd1        2048 25165823 25163776  12G 83 Linux


    Disk /dev/sde: 10 GiB, 10737418240 bytes, 20971520 sectors
    Disk model: VBOX HARDDISK
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes


    Disk /dev/sdb: 12 GiB, 12884901888 bytes, 25165824 sectors
    Disk model: VBOX HARDDISK
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disklabel type: dos
    Disk identifier: 0xb2c61e16

    Device     Boot Start      End  Sectors Size Id Type
    /dev/sdb1        2048 25165823 25163776  12G 83 Linux

  • Create new Partition on /dev/sde
          srv2:~ # fdisk /dev/sde

    Welcome to fdisk (util-linux 2.33.2).
    Changes will remain in memory only, until you decide to write them.
    Be careful before using the write command.

    Device does not contain a recognized partition table.
    Created a new DOS disklabel with disk identifier 0xe090b3b3.

    Command (m for help): n
    Partition type
       p   primary (0 primary, 0 extended, 4 free)
       e   extended (container for logical partitions)
    Select (default p): p
    Partition number (1-4, default 1): 1
    First sector (2048-20971519, default 2048):
    Last sector, +/-sectors or +/-size{K,M,G,T,P} (2048-20971519, default 20971519):

    Created a new partition 1 of type 'Linux' and of size 10 GiB.

    Command (m for help): w
    The partition table has been altered.
    Calling ioctl() to re-read partition table.
    Syncing disks.

  • srv2:/ # mkfs.ext4 /dev/sde1

mke2fs 1.43.8 (1-Jan-2018)
Creating filesystem with 2621184 4k blocks and 655360 inodes
Filesystem UUID: 7d329044-9dcd-4974-a412-4cadeeab94d9
Superblock backups stored on blocks:
        32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632

Allocating group tables: done
Writing inode tables: done
Creating journal (16384 blocks): done
Writing superblocks and filesystem accounting information: done

srv2:/ #
  • Mount Disk /u02
srv2:/ # mount /dev/sde1 /u02
srv2:/ #
  • Add entry in /etc/fstab
vi /etc/fstab
/dev/sde1 /u02 ext4 defaults     0   0

  • Check the status 
srv2:~ # df -h
Filesystem      Size  Used Avail Use% Mounted on
devtmpfs        2.8G     0  2.8G   0% /dev
tmpfs           2.8G  635M  2.2G  23% /dev/shm
t
/dev/sde1       9.8G  4.7G  4.7G  51% /u02
srv2:~ #

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